#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
using namespace std;
#include <vector>

int main()
{
   /* class Solution {
    public:
        vector<vector<int>> generate(int numRows) {
            vector<vector<int>> vv(numRows);
            for (int i = 0; i < numRows; i++)
            {
                vv[i].resize(i + 1, 1);
            }
            for (int i = 2; i < numRows; i++)
            {
                for (int j = 1; j < vv[i].size() - 1; j++)
                {
                    vv[i][j] = vv[i - 1][j] + vv[i - 1][j - 1];
                }
            }
            return vv;
        }
    };*/

    cout << 1 << endl;

	return 0;
}